Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Caprifoliaceae

Genus:

Diervilla

Species:

Diervilla rivularis

USDA Symbol:

DIRI

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Shrub

Height:

150 cm

Light Requirements:

Part Shade,Shade

Drought Tolerance:

Medium

Bloom Months:

jun,jul,aug

Bloom Colors:

yellow

Landscaping Shrub:

Yes

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Keystone Species Ranking

Caterpillar Keystone:

★☆☆☆☆ Butterfly & moth species supported by this genus (NWF)

Reported Fauna Sightings

Garden & Ecology Notes

Wildlife Value:

bees, butterflies, hummingbirds

Deer Resistant:

Yes

Fall Color:

red, orange, yellow

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts vigorously from the root crown after fire or cutting.

Soil Requirements

Soil Type:

rich, well-drained loamy soil

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

tolerates poor drainage

Moisture:

consistently moist

Propagation & Germination

Stratification:

Cold/moist stratification required — 60–90 days

Germination Time:

14–42 days

Notes:

Seeds require light for germination. Cold stratification improves germination rates.

The above propagation data sourced from Claude AI